Trethosa on the map

Trethosa built-up area

Built-up area0.3 km² (0.1 sq mi)

Location in CornwallTrethosa sits where the marker shows within the county.

26,974
Population
11,086
Households
4 / 10
Deprivation decile
Around average
12
Schools nearby
£44,640
Avg. household income
1,102
Businesses
140
People per km²
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About Trethosa

Trethosa is a small village located in Cornwall, England, within the postcode area PL26. It is situated near the larger town of St Austell, providing easy access to local amenities and services. The village features a mix of residential properties and agricultural land, reflecting the rural character of the area.

Surrounding Trethosa, visitors can find various walking paths and scenic countryside, making it a suitable spot for those who enjoy outdoor activities. The village is also conveniently located for exploring nearby attractions, including the coast and other notable sites in Cornwall. With its quiet atmosphere, Trethosa offers a peaceful setting for those looking to experience the Cornish countryside.

School Ratings in Trethosa

There are 22 schools in and around Trethosa. A further 10 schools hold a Good rating.

House Prices in Trethosa

The average property price is £292K, with detached homes making up the majority of the housing stock at around £375K.

Crime and Anti-Social Behaviour in Trethosa

Recorded crime levels are lower than the national average. Anti-social behaviour is prevalent across Trethosa, with 12 recorded incidents in May 2026.

Deprivation and Employment in Trethosa

Trethosa sits around the middle of the national deprivation scale, according to the 2025 Index of Multiple Deprivation. Employment levels are broadly typical for the area, sitting close to the national average. Household incomes are broadly in line with the national average.

Healthcare in Trethosa

There are 2 GP surgeries within three miles of Trethosa, the nearest being Brannel Surgery (1 miles away).

Property Prices 3,899 sales

Average Price £292K
£500 , £14.25M
Detached £375K 1,481
Semi £216K 874
Terraced £197K 967
Flat £188K 249

Household Income in Trethosa ONS 2023

The average total household income in Trethosa is approximately £44,640 a year before tax, 19% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £35,080. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.

Trethosa £44,640
England & Wales avg. £55,302

Net (after tax) household income averages £35,080.

Businesses in Trethosa ONS 2025

There are approximately 1,102 active businesses based in Trethosa, around 41 for every 1,000 residents. The local economy is dominated by small firms: about 88% are micro-businesses employing fewer than 10 people, while 15 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.

1,102 Total businesses
41 Per 1,000 residents
Micro, 0-9 88%
Small, 10-49 10%
Medium, 50-249 1%
Large, 250+ 1%

Deprivation and Employment in Trethosa IMD 2025

Trethosa sits around the national average for deprivation according to the 2025 Index of Multiple Deprivation. Employment and income levels are broadly typical, reflecting a mixed local economy. The area offers a balance of residential and commercial activity common to most parts of England.

Overall Deprivation
4/10
Income
5/10
Employment
5/10
Education
5/10
Health
6/10
Housing
2/10
Living Environment
2/10
Children 0-15 17%
Working age 59%
Older 65+ 24%
4,671 Children (0-15) 17%
15,877 Working Age 59%
6,431 Older (65+) 24%
Average Child Poverty (IDACI) 36% of children in income-deprived families
Average Older Person Poverty (IDAOPI) 15% of over-60s in income-deprived households
Data from English Indices of Deprivation 2025 · Contains public sector information licensed under the Open Government Licence v3.0

Crime in Trethosa 86 crimes · May 2026

Low Crime Area

Trethosa records relatively low levels of reported crime compared to national averages. Violence & sexual offences is the most commonly logged offence type, though overall numbers remain modest. The area is generally considered a safe and settled town with a strong sense of community.

Violence & Sexual Offences 33
Anti-Social Behaviour 12
Criminal Damage & Arson 12
Shoplifting 8
Other Crime 5
Burglary 4
Other Theft 3
Public Order 3
Drugs 2
Weapons 2
Robbery 1
Vehicle Crime 1
Local Policing
Devon And Cornwall St Stephen & St Dennis Visit force website →
Data from data.police.uk · Contains public sector information licensed under the Open Government Licence v3.0
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.

Nearest Train Stations 4 stations

Roche Train Station 5.2 miles
Bugle Train Station 5.5 miles
Quintrell Downs Train Station 6.3 miles
Luxulyan Train Station 6.7 miles

Location

Local Government

District Cornwall
Ward St. Mewan & Grampound
Constituency St Austell and Newquay
Parish Pentewan Valley
Region South West

Home Ownership in Trethosa

Of the 11,566 households in and around Trethosa, 69% are owned, 11% are socially rented and 20% are privately rented. Home ownership here is higher than the England and Wales average of 63%.

Owned 69% Social rented 11% Private rented 20%

Tenure from the 2021 Census (ONS), for the postcode districts covering Trethosa.

Frequently Asked Questions about Trethosa

What is the population of Trethosa?
Trethosa has a population of approximately 26,974 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Trethosa?
The average property in and around Trethosa sold for about £291,585, based on HM Land Registry Price Paid records. That is around 16% below the England and Wales average of £349,091.
Is Trethosa a deprived area?
Trethosa sits around the national average for deprivation, with an Index of Multiple Deprivation decile of 4 out of 10, where 1 is the most deprived and 10 the least deprived.
What postcodes cover Trethosa?
Trethosa is covered by the PL26 postcode district.
How many schools are there in Trethosa?
There are 12 schools within easy reach of Trethosa, spanning primary, secondary and other phases.
Where is the nearest train station to Trethosa?
The nearest railway station to Trethosa is Roche Train Station, about 5.2 miles away.